pm_disable_freeze · Basis MCP Server MCP: Risk & Policy

WHAT IT DOES

What pm_disable_freeze does on Basis MCP Server

AI agents use pm_disable_freeze to create or update resources in Basis MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Basis MCP Server environment.

WHY IT NEEDS A POLICY

Why pm_disable_freeze needs a policy

This tool modifies existing market configuration/permissions by removing access restrictions. While it changes system state, it is reversible (the market can be frozen/closed again), so it falls under Write rather than Destructive.

From the tool's definition Tool name 'pm_disable_freeze' and description 'Open private market to public' indicate a state change operation that modifies market access controls from restricted (frozen/private) to unrestricted (public).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pm_disable_freeze Rate-limited

pm_disable_freeze stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "pm_disable_freeze": {
      "limits": [
        {
          "counter": "pm_disable_freeze_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Basis MCP Server, so you can run agents against it safely.

FAQ

Questions about pm_disable_freeze

What does the pm_disable_freeze tool do? +

Open private market to public. It is categorised as a Write tool in the Basis MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on pm_disable_freeze? +

Register the Basis MCP Server MCP server in PolicyLayer and add a rule for pm_disable_freeze: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Basis MCP Server. Nothing to install.

What risk level is pm_disable_freeze? +

pm_disable_freeze is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit pm_disable_freeze? +

Yes. Add a rate_limit block to the pm_disable_freeze rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block pm_disable_freeze completely? +

Set action: deny in the PolicyLayer policy for pm_disable_freeze. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides pm_disable_freeze? +

pm_disable_freeze is provided by the Basis MCP Server MCP server (launch-on-basis/mcp-ts). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.